import { type ElementNode, type NabiDoc, type NabiNode, type SchemaEnv, type Terminal } from '../schema/index.js';
export interface Position {
    readonly path: readonly number[];
    readonly offset: number;
}
export interface EditResult {
    readonly doc: NabiDoc;
    readonly caret: Position;
    readonly anchor?: Position;
}
export interface EditEnv extends SchemaEnv {
    readonly singleParagraph?: ReadonlySet<string>;
}
export declare function terminalOf(env: SchemaEnv): Terminal;
export declare function nodeAt(doc: NabiDoc, path: readonly number[]): ElementNode | null;
export declare function siblingsAt(doc: NabiDoc, path: readonly number[]): readonly NabiNode[] | null;
export declare function replaceAt(doc: NabiDoc, path: readonly number[], replacement: readonly NabiNode[]): NabiDoc;
export declare function isHolder(node: NabiNode, env: SchemaEnv): node is ElementNode;
export declare function holderLength(holder: ElementNode, env: SchemaEnv): number;
export declare function positionExists(doc: NabiDoc, pos: Position, env: SchemaEnv): boolean;
export interface HolderAt {
    readonly path: readonly number[];
    readonly node: ElementNode;
}
export interface IndexedNode {
    readonly path: readonly number[];
    readonly node: ElementNode;
}
export declare class DocumentIndex {
    readonly doc: NabiDoc;
    readonly holders: readonly HolderAt[];
    readonly top: readonly IndexedNode[];
    private readonly byId;
    private readonly byPath;
    constructor(doc: NabiDoc, env: SchemaEnv);
    byIdAt(id: string): IndexedNode | null;
    at(path: readonly number[]): IndexedNode | null;
    ownerAt(path: readonly number[], w?: string): IndexedNode | null;
}
export declare function documentIndex(doc: NabiDoc, env: SchemaEnv): DocumentIndex;
export declare function holders(doc: NabiDoc, env: SchemaEnv): HolderAt[];
export declare function comparePositions(a: Position, b: Position): number;
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